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Old 10-17-2000, 12:19 PM   #1
Imprezer
Dynamic Uno
 
Member#: 1
Join Date: Jun 1999
Chapter/Region: BAIC
Location: Alameda, CA
Vehicle:
2011 Impreza WRX STi
Black

Post Header uppipe melting things

On my car, my header uppipe sits very close to the cam seal on the back of the passender side head. It is almost touching it. Do you guys think I will melt it? It is made of rubber or plastic of some sort. I would assume that they are made to withstand some heat, but maybe glowing red uppipe will be too much for it to take. Whats underneath that seal anyways? Is there anything else besides it that keeps that stuff from getting onto the cam and that seal is just a "plug" or is that the only thing that is there.

TIA.
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Old 10-17-2000, 12:36 PM   #2
bri99RS
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Vehicle:
2000 Integra Type R
Pheonix Yellow

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You might try using header wrap around that part of the uppipe.

Brian
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Old 10-17-2000, 02:45 PM   #3
Jay_UK
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yep..the stock up pipe is very close.. about an inch or so..

Thats including the heat sheilding...

My up pipe is fully HPC'ed and lagged.. like the rest of the headers...to try and keep heat down

I have never heard of anyone melting anything though.

J.
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Old 10-17-2000, 03:44 PM   #4
Imprezer
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Well, mine is like 2-3mm away, hehe. I guess I have to wrap the header and try to pry it as far away from the cam seal as possible. Oh, well...
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Old 10-17-2000, 03:50 PM   #5
Jay_UK
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Thats close..

I have pics of mine if u want...

J.
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Old 10-17-2000, 04:05 PM   #6
Imprezer
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2011 Impreza WRX STi
Black

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Send me a pic, please. Imprezer@home.com
I will send you a pic of mine later today.
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Old 10-17-2000, 04:33 PM   #7
kid22
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2000 2.5 RS-T
22WannaB

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hey imprezer, when u gonna show me those pics of the cooling schematic of your turbo?
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Old 10-18-2000, 01:02 AM   #8
ColinL
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That is a plastic plug and it is very thin, perhaps 1 to 1.5mm. Can you provide a picture of how close your uppipe is?

I do not think it could withstand a great deal of heat...
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Old 10-18-2000, 01:32 AM   #9
Kyle
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Location: Dallas, TX
Thumbs up

Alex,

I just went and looked at the MY94 and MY98 WRX motors out back and the stock up-pipes are a 1/2 inch away from the cam seals as well. The stock up-pipe does have a metal heat shield, so I think some header wrap will be just fine.

FYI, the MY94 motor still has the factory "grey" silicone arround the cam seal. This motor had an aftermarket exhaust, and some type of stand-alone engine management on it before we bought it.

I hope this helps,

Kyle
CTC Motorsports
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